This image shows a sample class diagram for a database query operation for the Address Book Manager published business service. In the upper left-hand corner, Address Book Manager is shown extending the foundation Published Business Service class.

The focus of this image shows value objects extending the Value Object foundation class. This image shows the value objects along with their fields (note, the fields for each value object are not identified in this description.) The value objects are: Get Address Book, Entity, Category Codes, Address Codes, Show Address Book, Address book, Related Address, Message Value Object, Statistics, Classifications, User Reserved Data, and Stock.